Audio gain control using specific-loudness-based auditory...

Details Audio gain control using specific-loudness-based auditory... Audio gain control using specific-loudness-based auditory...

H - Electricity

03

G

H03G 3/30 (2006.01) H03G 7/00 (2006.01)

Patent

CA 2648237

In one disclosed aspect, dynamic gain modification s are applied to an audio signal at least partly in response to auditory events and/or the degree of change in signal characteristics associated with said auditory event boundaries. In another aspect, an audio signal is divided into auditory events by comparing the difference in specific loudness between successive time blocks of the audio signal.

Selon un aspect de la présente invention, des modifications de gain dynamique sont appliquées à un signal audio au moins en partie en réponse à des événements auditifs et/ou au degré de variation de caractéristiques du signal associées aux limites des événements auditifs. Selon un autre aspect, un signal audio est divisé en événements auditifs par comparaison de la différence de force sonore spécifique entre des blocs temporels successifs du signal audio.

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